How to Fix Fix Error 0x80071129 — Reparse Point Buffer Invalid (OneDrive) on Windows
Getting error 0x80071129 "The tag present in the reparse point buffer is invalid" with OneDrive, cloud files, or synced folders? Fix this file system reparse error.
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Main Troubleshooting Guide
How to Fix Computer Freezing and Hanging →Complete symptoms, causes, and step-by-step solutions
Symptoms
You might be experiencing this problem if you notice:
- •Error 0x80071129 when opening OneDrive synced files
- •"The tag present in the reparse point buffer is invalid" on cloud files
- •Can't delete, rename, or move certain OneDrive files
- •File Explorer crashes when accessing synced folders
- •Files show cloud icon but won't download with this error
- •Error copying files from OneDrive to local drive
Common Causes
- ⚠OneDrive Files On-Demand reparse point corrupted
- ⚠NTFS reparse point metadata damaged on synced files
- ⚠OneDrive sync client lost track of file placeholders
- ⚠Disk errors corrupted reparse point data
- ⚠Antivirus quarantined or modified cloud placeholder files
- ⚠OneDrive conflict between local and cloud versions
Solutions
Solution 1: Reset OneDrive Sync
- 1Reset OneDrive: Win+R → type:
- 2%localappdata%\Microsoft\OneDrive\onedrive.exe /reset
- 3Wait 1-2 minutes — OneDrive icon should reappear in system tray
- 4If it doesn't restart automatically:
- 5Win+R → %localappdata%\Microsoft\OneDrive\onedrive.exe
- 6Let OneDrive fully re-sync before accessing files
- 7This re-creates file placeholders and fixes reparse points
Solution 2: Fix Specific Corrupted Files
- 1If only specific files have the error:
- 2Go to OneDrive.com in a browser → download the file directly
- 3Delete the corrupted local file (may need CMD):
- 4CMD as Admin: del /f /a "C:\Users\YourName\OneDrive\path\to\file"
- 5Let OneDrive re-sync the file from the cloud
- 6If the folder is corrupted: right-click → "Free up space"
- 7Then re-download by double-clicking the file
Solution 3: Repair File System
- 1Run disk check to fix reparse point corruption:
- 2CMD as Admin: chkdsk C: /F /R
- 3Schedule for next restart if prompted → restart PC
- 4After chkdsk: sfc /scannow to verify system files
- 5If problem persists: unlink OneDrive → relink
- 6OneDrive Settings → Account → "Unlink this PC"
- 7Sign back in → choose which folders to sync
- 8Files will re-sync with fresh reparse points
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